Typescript offers the public,protected and private keywords for defining the visibility of the member or the method declared next to them, however, I know that since ES6 Javascript allow the use of the prefix “#” to a class member or method in order to achieve the same result. To try to have a bet…
Tag: visibility
Is there any way to know when a tab in the browser is covered by a window?
TL;DR: I’m working on a Chrome extension where I need to increase a count only when a tab is visible and not covered by another window. Is there any way to detect this? I’ve tried using the Page Visibility API, but here’s the problem with it: Imagine I have two windows docked side by side. M…
Set div to hidden, then visible after time delay
I’m trying to have a yellow square appear on a black background after X amount of time (perhaps even after a random amount of time, but for now let’s just do fixed time). This code should hide the yellow square initially, then reveal it after 2 seconds. But it does not work. It also does not work …
Hide/Show image after 2 seconds
So I need to have an image alternatively appear and disappear every 2 seconds, I’ve been trying using javascript and I’ve gotten stuck, I feel like it’s something so simple but i can’t work it out, any help is appreciated. HTML JAVASCRIPT Answer You need to use callback functions in yo…